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Amp Boost or Overdrive

jw3571

Inspired
Most amps, especially the Marshall have a boost switch. What's the difference between hitting the boost switch or putting an overdrive in front? Do most people use the boost switch or an overdrive when making presets? I've noticed when I hit the boost it brings in a lot more noise.
 

voes

Fractal Fanatic
Vendor
Most amps, especially the Marshall have a boost switch. What's the difference between hitting the boost switch or putting an overdrive in front? Do most people use the boost switch or an overdrive when making presets? I've noticed when I hit the boost it brings in a lot more noise.
IIRC, the boost switch is the same as a type-null filter with 12dB extra level. DRIVE blocks give you more control over the tone. I never use the boost switch.
 

simeon

Axe-Master
all the boost switch does is increase input level by 12db. you can do similar by increasing input trim, which will let you adjust the amount of boost. using a drive is a very different proposition...you can goose the amp input with the level control, but you also have drive, low cut, high cut and eq to further shape the tone. each drive sounds slightly different, too. the boost switch is like a sledgehammer whereas a drive block is more like a bag of tools.
 
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